Posted by Earl Geddes [ 69.209.185.66 ] on February 25, 2005 at 15:39:48:
In Reply to: So you are saying posted by akhilesh on February 25, 2005 at 15:11:07:
That question has no answer.
Since waveguides have a directivity that is constant with frequency and domes and cones and pistons directivity narrows with frequency there is a frequency region where the pistons are wider and a frequency region where they are narrower.
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